def test_create_tag(self):
     with self.assertRaises(NotImplementedError):
         DOMEngine.create_tag('tag')
 def test_append_child(self):
     with self.assertRaises(NotImplementedError):
         DOMEngine.append_child(None, None)
 def test_render_debug(self):
     with self.assertRaises(NotImplementedError):
         DOMEngine.render_debug(None)
 def test_parse_html(self):
     with self.assertRaises(NotImplementedError):
         DOMEngine.parse_html('html')
 def test_create_tag(self):
     with self.assertRaises(NotImplementedError):
         DOMEngine.create_tag(None)
 def test_render_debug(self):
     with self.assertRaises(NotImplementedError):
         DOMEngine.render_debug(None)
 def test_append_child(self):
     with self.assertRaises(NotImplementedError):
         DOMEngine.append_child(None, None)
 def test_parse_html(self):
     with self.assertRaises(NotImplementedError):
         DOMEngine.parse_html(None)